Holes for riveting purposes should be preferably made by

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Holes for riveting purposes should be preferably made by

A. Cutting torch

B. Drilling

C. Punching

D. None of these

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Unit of viscosity in CGS system is

A.

B.

C.

D.

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If Reynolds number is greater than 1, then the

A. Viscous force is larger than the inertia force

B. Inertia force is larger than the viscous force

C. Inertia force is larger than the surface tension force

D. Inertia force is larger than the gravitational force

Discuss this answer

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

A. Grashoff number

B. Grashoff number & Reynolds number

C. Reynolds number

D. Grashoff number & Prandtl number

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The following type of bonding is strongly directional in solids.

A. Vander Waal's

B. Ionic

C. Metallic

D. Covalent

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Energy of the sun arises mainly from __________ reactions.

A. Fusion

B. Fission

C. Combustion

D. None of these

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__________ of air does not increase with increase in temperature.

A. Density

B. Thermal diffusivity

C. Viscosity

D. Thermal conductivity

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Most of the phosphorous present in the blast furnace burden enters into

A. Hot metal

B. Flue gases

C. Slag

D. Refractory lining

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The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.

A. Elastic

B. Ultimate

C. Yielding

D. Breaking

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Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

A. 20

B. 200

C. 500

D. 2000

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Atomic __________ of an element is a whole number.

A. Weight

B. Number

C. Volume

D. Radius

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__________ iron is produced by the annealing of white cast iron.

A. Malleable

B. Nodular

C. Ductile

D. Grey

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The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

D. 2.3 × 10⁶ J

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Powder metallurgy process does not make metal powder by

A. Atomisation

B. Grinding/milling

C. Hammering

D. Electrolytic deposition

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Which of the following mainly decides the current to be employed is arc welding?

A. Electrode size

B. Plate thickness

C. Voltage across the arc

D. Welded portion length

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What is the percentage of chromium in 18-4-1 high speed steel?

A. 1

B. 4

C. 18

D. 23

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Spherical shape of mercury droplets is due to its

A. High viscosity

B. Low surface tension

C. High density

D. High surface tension

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Eutectoid composition of carbon steel at room temperature is

A. Cementite

B. Pearlite

C. Martensite

D. Ferrite

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The best lubricants for a machine working at high temperature & load is

A. Grease

B. Solid lubricant

C. Animal oils

D. Mineral oils

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Steel balls are manufactured by

A. Sintering

B. Casting

C. Cold heading

D. Spinning

Discuss this answer

__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

A. Lancing

B. Shot peening

C. Slugging

D. Spinning

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Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

A. Bomb

B. Throttling

C. Junker's

D. Boy's

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The most important consideration in value engineering is the

A. Profit maximisation

B. Customer satisfaction

C. Cost reduction

D. Process improvement

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Glycerine is used as a coolant in cooling of some engines instead of water, because

A. Its higher boiling point (290°C) increases its heat carrying capacity

B. Comparatively less weight of coolant is required

C. Smaller radiator can be used

D. All a, b & c

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The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

A. 5

B. 15

C. 30

D. 45

Discuss this answer

Ceramic compounds as compared to metallic compounds

A. Crystallise faster

B. Resist greater tensile stress at room temperature

C. Have higher melting temperature

D. Are better conductor of electricity at higher temperature

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The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

A. 0

B. 100

C. 50

D. None of these

Discuss this answer

Use of water as a manometric liquid suffers from the disadvantage of its

A. Low vapour pressure

B. Corrosive nature

C. High vapour pressure

D. High boiling point

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Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

A. Horizontal

B. Vertical

C. Inclined

D. Any

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Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

A. 70 & 30

B. 30 & 70

C. 50 & 50

D. 90 & 10

Discuss this answer

The most abundant metal present in the earth's crust is;

A. Iron

B. Copper

C. Titanium

D. Aluminium

Discuss this answer

Accepted Answer

B. Drilling

Holes for riveting purposes should be preferably made by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Unit of viscosity in CGS system is

If Reynolds number is greater than 1, then the

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

The following type of bonding is strongly directional in solids.

Energy of the sun arises mainly from __________ reactions.

__________ of air does not increase with increase in temperature.

Most of the phosphorous present in the blast furnace burden enters into

The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

Atomic __________ of an element is a whole number.

__________ iron is produced by the annealing of white cast iron.

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Powder metallurgy process does not make metal powder by

Which of the following mainly decides the current to be employed is arc welding?

What is the percentage of chromium in 18-4-1 high speed steel?

Spherical shape of mercury droplets is due to its

Eutectoid composition of carbon steel at room temperature is

The best lubricants for a machine working at high temperature & load is

Steel balls are manufactured by

__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

The most important consideration in value engineering is the

Glycerine is used as a coolant in cooling of some engines instead of water, because

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

Ceramic compounds as compared to metallic compounds

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Use of water as a manometric liquid suffers from the disadvantage of its

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

The most abundant metal present in the earth's crust is;

Also checkout

Holes for riveting purposes should be preferably made by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Unit of viscosity in CGS system is

If Reynolds number is greater than 1, then the

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

The following type of bonding is strongly directional in solids.

Energy of the sun arises mainly from __________ reactions.

__________ of air does not increase with increase in temperature.

Most of the phosphorous present in the blast furnace burden enters into

The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

Atomic __________ of an element is a whole number.

__________ iron is produced by the annealing of white cast iron.

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

Powder metallurgy process does not make metal powder by

Which of the following mainly decides the current to be employed is arc welding?

What is the percentage of chromium in 18-4-1 high speed steel?

Spherical shape of mercury droplets is due to its

Eutectoid composition of carbon steel at room temperature is

The best lubricants for a machine working at high temperature & load is

Steel balls are manufactured by

__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

The most important consideration in value engineering is the

Glycerine is used as a coolant in cooling of some engines instead of water, because

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

Ceramic compounds as compared to metallic compounds

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Use of water as a manometric liquid suffers from the disadvantage of its

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

The most abundant metal present in the earth's crust is;

Also checkout

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)